hadoop hbase概念学习的相关内容

Hadoop HBase概念学习系列之HBase里的时间戳（二十六）

　HBase集群要求每个节点的时间必须同步。HBase对于节点的时间扭曲（time skew）容忍度很低（这和HDFS是不一样的）。这主要是因为HBase需要使用系统时间来产生时间戳。如果系统时间不同步的话，那么每个节点产生的时间戳差异就会比较大，这就违背了时间戳设计的初衷。　　HBase对于节...

Hadoop HBase概念学习系列之什么是HBase？（一）

HBase– Hadoop Database，是一个高可靠性、高性能、面向列、可伸缩的分布式存储系统，利用HBase技术可在廉价PC Server上搭建起大规模结构化存储集群。　　HBase是GoogleBigtable的开源实现，类似Google Bigtable利用G...

大数据实战项目：反爬虫系统（Lua+Spark+Redis+Hadoop框架搭建）第一阶段

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大数据实战项目：反爬虫系统（Lua+Spark+Redis+Hadoop框架搭建）第二阶段

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大数据实战项目 - 反爬虫系统（Lua+Spark+Redis+Hadoop框架搭建）第七阶段

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Hadoop HBase概念学习系列之HBase里的宽表设计概念（表设计）（二十七）

HBASE宽表应用很多比如BBS，可以用帖子的URL地址作为ROWKEY保存，而后面的每一个回复，作为单独的COLUMNS，回复越多，COLUMNS就越多，表就变宽了。 COLUMNS的qualifier名称设计很简单假设你的表 FC = ...

Hadoop HBase概念学习系列之HBase里的高表设计概念（表设计）（二十八）

　　　在不同场景，结合使用到底是高表还是宽表。高表有高表的好处，宽表有宽表的优势。　　起始行键是1001，结束行键是10010，则可查出如下图框出部分结果。　　当然，也可以根据其他的查询条件，来...

Hadoop HBase概念学习系列之RowKey设计（二十九）

HBase里的RowKey设计，分为随机查询的RowKey设计和连续查询的RowKey设计。本文转自大数据躺过的坑博客园博客，原文链接：http://www.cnblogs.com/zlslch/p/6160109.html，如需转载请自行联系原作者

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